Daikin FTXS09HVJU, Руководство по обслуживанию

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SiUS04-904 Control Specification (09/12 Class)
Function and Control 43
3.10 Defrost Control
Outline Defrosting is carried out by the cooling cycle (reverse cycle). The defrosting time or outdoor heat
exchanger temperature must be more than its fixed value when finishing.
Detail
Conditions for Starting Defrost
Certain conditions must exist when starting the defrost operation. The heat exchanger must be in
heating operation, 6 minutes should elapse after the compressor is started, and more than 38
minutes of accumulated time should pass after the start of operation or ending of the last defrosting
operation.
Conditions for Canceling Defrost
The judgment must be made with heat exchanger temperature. 39.2~64.4°F (4~18 C°)
Frequency
Compressor
Four way valve
Fan
Electronic expansion
valve opening
ON
OFF
ON
OFF
ON
OFF
0Hz
5sec.
350pulse 450pulse 450pulse
Initial opening
PI control
5sec.
50sec. 50sec. 600sec.
60sec.
(R4014)